LONG-TERM DEBT: (Tables)

9 Months Ended

Sep. 30, 2013

LONG-TERM DEBT:

Schedule of long-term debt

	As of September 30, 2013		As of December 31, 2012
Revolving credit facility	$	38,500,000	$	158,000,000
6.75% Senior Notes	300,000,000		—
	$	338,500,000	$	158,000,000